PRODUCTION METHOD OF PATTERNED RETARDATION FILM

摘要

PROBLEM TO BE SOLVED: To reduce alignment failures caused by offset of a fluorine-based or silicone-based leveling agent included in a clear antireflection layer, in a patterned retardation film having the clear antireflection layer.SOLUTION: A production method of a patterned retardation film is provided, which includes: an antireflection layer formation step of forming a clear antireflection layer containing a fluorine-based or silicone-based leveling agent and showing a haze value of 0.5% or less specified by JISK7105, on one surface of a transparent substrate; an alignment layer formation step of forming an alignment layer on the other surface of the transparent substrate; and a retardation layer formation step of forming a retardation layer on the alignment layer. The method also includes a step of winding the laminate after at least the antireflection layer formation step into a wound body of a long film. The alignment layer formation step is carried out after the long film is drawn from the wound body and subjected to a corona treatment or a plasma treatment on the other surface of the transparent substrate.